function credit() {
	if(document.getElementById("aa").style.display=='block')
		document.getElementById("aa").style.display='none';	
	document.getElementById("cc").style.display='block';
}

function atm() {
	if(document.getElementById("cc").style.display=='block')
		document.getElementById("cc").style.display='none';	
	document.getElementById("aa").style.display='block';
}

